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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/use
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/use')
-rw-r--r--tests/ui/use/auxiliary/extern-use-primitive-type-lib.rs3
-rw-r--r--tests/ui/use/auxiliary/use-from-trait-xc.rs29
-rw-r--r--tests/ui/use/issue-18986.rs10
-rw-r--r--tests/ui/use/issue-18986.stderr9
-rw-r--r--tests/ui/use/issue-60976-extern-use-primitive-type.rs7
-rw-r--r--tests/ui/use/use-after-move-based-on-type.rs5
-rw-r--r--tests/ui/use/use-after-move-based-on-type.stderr19
-rw-r--r--tests/ui/use/use-after-move-implicity-coerced-object.rs30
-rw-r--r--tests/ui/use/use-after-move-implicity-coerced-object.stderr23
-rw-r--r--tests/ui/use/use-after-move-self-based-on-type.rs21
-rw-r--r--tests/ui/use/use-after-move-self-based-on-type.stderr19
-rw-r--r--tests/ui/use/use-after-move-self.rs19
-rw-r--r--tests/ui/use/use-after-move-self.stderr19
-rw-r--r--tests/ui/use/use-associated-const.rs13
-rw-r--r--tests/ui/use/use-associated-const.stderr9
-rw-r--r--tests/ui/use/use-crate-self.rs4
-rw-r--r--tests/ui/use/use-crate-self.stderr8
-rw-r--r--tests/ui/use/use-from-trait-xc.rs26
-rw-r--r--tests/ui/use/use-from-trait-xc.stderr70
-rw-r--r--tests/ui/use/use-from-trait.rs22
-rw-r--r--tests/ui/use/use-from-trait.stderr34
-rw-r--r--tests/ui/use/use-keyword.rs17
-rw-r--r--tests/ui/use/use-keyword.stderr22
-rw-r--r--tests/ui/use/use-meta-mismatch.rs5
-rw-r--r--tests/ui/use/use-meta-mismatch.stderr9
-rw-r--r--tests/ui/use/use-mod.rs19
-rw-r--r--tests/ui/use/use-mod.stderr33
-rw-r--r--tests/ui/use/use-mod/use-mod-2.rs11
-rw-r--r--tests/ui/use/use-mod/use-mod-2.stderr15
-rw-r--r--tests/ui/use/use-mod/use-mod-3.rs12
-rw-r--r--tests/ui/use/use-mod/use-mod-3.stderr27
-rw-r--r--tests/ui/use/use-mod/use-mod-4.rs7
-rw-r--r--tests/ui/use/use-mod/use-mod-4.stderr42
-rw-r--r--tests/ui/use/use-mod/use-mod-5.rs13
-rw-r--r--tests/ui/use/use-mod/use-mod-5.stderr19
-rw-r--r--tests/ui/use/use-mod/use-mod-6.rs13
-rw-r--r--tests/ui/use/use-mod/use-mod-6.stderr19
-rw-r--r--tests/ui/use/use-nested-groups-error.rs15
-rw-r--r--tests/ui/use/use-nested-groups-error.stderr12
-rw-r--r--tests/ui/use/use-nested-groups-unused-imports.rs24
-rw-r--r--tests/ui/use/use-nested-groups-unused-imports.stderr26
-rw-r--r--tests/ui/use/use-paths-as-items.rs9
-rw-r--r--tests/ui/use/use-paths-as-items.stderr13
-rw-r--r--tests/ui/use/use-self-type.rs11
-rw-r--r--tests/ui/use/use-self-type.stderr16
-rw-r--r--tests/ui/use/use-super-global-path.rs16
-rw-r--r--tests/ui/use/use-super-global-path.stderr21
47 files changed, 845 insertions, 0 deletions
diff --git a/tests/ui/use/auxiliary/extern-use-primitive-type-lib.rs b/tests/ui/use/auxiliary/extern-use-primitive-type-lib.rs
new file mode 100644
index 000000000..3c7756ef7
--- /dev/null
+++ b/tests/ui/use/auxiliary/extern-use-primitive-type-lib.rs
@@ -0,0 +1,3 @@
+// compile-flags: --edition=2018
+
+pub use u32;
diff --git a/tests/ui/use/auxiliary/use-from-trait-xc.rs b/tests/ui/use/auxiliary/use-from-trait-xc.rs
new file mode 100644
index 000000000..4abe11941
--- /dev/null
+++ b/tests/ui/use/auxiliary/use-from-trait-xc.rs
@@ -0,0 +1,29 @@
+pub use self::sub::{Bar, Baz};
+
+pub trait Trait {
+ fn foo(&self);
+ type Assoc;
+ const CONST: u32;
+}
+
+struct Foo;
+
+impl Foo {
+ pub fn new() {}
+
+ pub const C: u32 = 0;
+}
+
+mod sub {
+ pub struct Bar;
+
+ impl Bar {
+ pub fn new() {}
+ }
+
+ pub enum Baz {}
+
+ impl Baz {
+ pub fn new() {}
+ }
+}
diff --git a/tests/ui/use/issue-18986.rs b/tests/ui/use/issue-18986.rs
new file mode 100644
index 000000000..f0b292f29
--- /dev/null
+++ b/tests/ui/use/issue-18986.rs
@@ -0,0 +1,10 @@
+// aux-build:use-from-trait-xc.rs
+
+extern crate use_from_trait_xc;
+pub use use_from_trait_xc::Trait;
+
+fn main() {
+ match () {
+ Trait { x: 42 } => () //~ ERROR expected struct, variant or union type, found trait `Trait`
+ }
+}
diff --git a/tests/ui/use/issue-18986.stderr b/tests/ui/use/issue-18986.stderr
new file mode 100644
index 000000000..6c23178c7
--- /dev/null
+++ b/tests/ui/use/issue-18986.stderr
@@ -0,0 +1,9 @@
+error[E0574]: expected struct, variant or union type, found trait `Trait`
+ --> $DIR/issue-18986.rs:8:9
+ |
+LL | Trait { x: 42 } => ()
+ | ^^^^^ not a struct, variant or union type
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0574`.
diff --git a/tests/ui/use/issue-60976-extern-use-primitive-type.rs b/tests/ui/use/issue-60976-extern-use-primitive-type.rs
new file mode 100644
index 000000000..4cd458302
--- /dev/null
+++ b/tests/ui/use/issue-60976-extern-use-primitive-type.rs
@@ -0,0 +1,7 @@
+// Regression test for #60976: ICE (with <=1.36.0) when another file had `use <primitive_type>;`.
+// check-pass
+// aux-build:extern-use-primitive-type-lib.rs
+
+extern crate extern_use_primitive_type_lib;
+
+fn main() {}
diff --git a/tests/ui/use/use-after-move-based-on-type.rs b/tests/ui/use/use-after-move-based-on-type.rs
new file mode 100644
index 000000000..ba7aa0345
--- /dev/null
+++ b/tests/ui/use/use-after-move-based-on-type.rs
@@ -0,0 +1,5 @@
+fn main() {
+ let x = "Hello!".to_string();
+ let _y = x;
+ println!("{}", x); //~ ERROR borrow of moved value
+}
diff --git a/tests/ui/use/use-after-move-based-on-type.stderr b/tests/ui/use/use-after-move-based-on-type.stderr
new file mode 100644
index 000000000..7b4d24549
--- /dev/null
+++ b/tests/ui/use/use-after-move-based-on-type.stderr
@@ -0,0 +1,19 @@
+error[E0382]: borrow of moved value: `x`
+ --> $DIR/use-after-move-based-on-type.rs:4:20
+ |
+LL | let x = "Hello!".to_string();
+ | - move occurs because `x` has type `String`, which does not implement the `Copy` trait
+LL | let _y = x;
+ | - value moved here
+LL | println!("{}", x);
+ | ^ value borrowed here after move
+ |
+ = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider cloning the value if the performance cost is acceptable
+ |
+LL | let _y = x.clone();
+ | ++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0382`.
diff --git a/tests/ui/use/use-after-move-implicity-coerced-object.rs b/tests/ui/use/use-after-move-implicity-coerced-object.rs
new file mode 100644
index 000000000..47fbb5bf1
--- /dev/null
+++ b/tests/ui/use/use-after-move-implicity-coerced-object.rs
@@ -0,0 +1,30 @@
+use std::fmt;
+
+struct Number {
+ n: i64
+}
+
+impl fmt::Display for Number {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ write!(f, "{}", self.n)
+ }
+}
+
+struct List {
+ list: Vec<Box<dyn ToString + 'static>> }
+
+impl List {
+ fn push(&mut self, n: Box<dyn ToString + 'static>) {
+ self.list.push(n);
+ }
+}
+
+fn main() {
+
+ let n: Box<_> = Number { n: 42 }.into();
+ let mut l: Box<_> = List { list: Vec::new() }.into();
+ l.push(n);
+
+ let x = n.to_string();
+ //~^ ERROR: borrow of moved value: `n`
+}
diff --git a/tests/ui/use/use-after-move-implicity-coerced-object.stderr b/tests/ui/use/use-after-move-implicity-coerced-object.stderr
new file mode 100644
index 000000000..dfa0c0483
--- /dev/null
+++ b/tests/ui/use/use-after-move-implicity-coerced-object.stderr
@@ -0,0 +1,23 @@
+error[E0382]: borrow of moved value: `n`
+ --> $DIR/use-after-move-implicity-coerced-object.rs:28:13
+ |
+LL | let n: Box<_> = Number { n: 42 }.into();
+ | - move occurs because `n` has type `Box<Number>`, which does not implement the `Copy` trait
+LL | let mut l: Box<_> = List { list: Vec::new() }.into();
+LL | l.push(n);
+ | - value moved here
+LL |
+LL | let x = n.to_string();
+ | ^^^^^^^^^^^^^ value borrowed here after move
+ |
+note: consider changing this parameter type in method `push` to borrow instead if owning the value isn't necessary
+ --> $DIR/use-after-move-implicity-coerced-object.rs:17:27
+ |
+LL | fn push(&mut self, n: Box<dyn ToString + 'static>) {
+ | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this parameter takes ownership of the value
+ | |
+ | in this method
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0382`.
diff --git a/tests/ui/use/use-after-move-self-based-on-type.rs b/tests/ui/use/use-after-move-self-based-on-type.rs
new file mode 100644
index 000000000..932583495
--- /dev/null
+++ b/tests/ui/use/use-after-move-self-based-on-type.rs
@@ -0,0 +1,21 @@
+struct S {
+ x: isize,
+}
+
+impl Drop for S {
+ fn drop(&mut self) {}
+}
+
+impl S {
+ pub fn foo(self) -> isize {
+ self.bar();
+ return self.x; //~ ERROR use of moved value: `self`
+ }
+
+ pub fn bar(self) {}
+}
+
+fn main() {
+ let x = S { x: 1 };
+ println!("{}", x.foo());
+}
diff --git a/tests/ui/use/use-after-move-self-based-on-type.stderr b/tests/ui/use/use-after-move-self-based-on-type.stderr
new file mode 100644
index 000000000..1bdf49801
--- /dev/null
+++ b/tests/ui/use/use-after-move-self-based-on-type.stderr
@@ -0,0 +1,19 @@
+error[E0382]: use of moved value: `self`
+ --> $DIR/use-after-move-self-based-on-type.rs:12:16
+ |
+LL | pub fn foo(self) -> isize {
+ | ---- move occurs because `self` has type `S`, which does not implement the `Copy` trait
+LL | self.bar();
+ | ----- `self` moved due to this method call
+LL | return self.x;
+ | ^^^^^^ value used here after move
+ |
+note: `S::bar` takes ownership of the receiver `self`, which moves `self`
+ --> $DIR/use-after-move-self-based-on-type.rs:15:16
+ |
+LL | pub fn bar(self) {}
+ | ^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0382`.
diff --git a/tests/ui/use/use-after-move-self.rs b/tests/ui/use/use-after-move-self.rs
new file mode 100644
index 000000000..f7a3c0ecc
--- /dev/null
+++ b/tests/ui/use/use-after-move-self.rs
@@ -0,0 +1,19 @@
+struct S {
+ x: Box<isize>,
+}
+
+
+
+impl S {
+ pub fn foo(self) -> isize {
+ self.bar();
+ return *self.x; //~ ERROR use of moved value: `self`
+ }
+
+ pub fn bar(self) {}
+}
+
+fn main() {
+ let x = S { x: 1.into() };
+ println!("{}", x.foo());
+}
diff --git a/tests/ui/use/use-after-move-self.stderr b/tests/ui/use/use-after-move-self.stderr
new file mode 100644
index 000000000..59cc22ead
--- /dev/null
+++ b/tests/ui/use/use-after-move-self.stderr
@@ -0,0 +1,19 @@
+error[E0382]: use of moved value: `self`
+ --> $DIR/use-after-move-self.rs:10:16
+ |
+LL | pub fn foo(self) -> isize {
+ | ---- move occurs because `self` has type `S`, which does not implement the `Copy` trait
+LL | self.bar();
+ | ----- `self` moved due to this method call
+LL | return *self.x;
+ | ^^^^^^^ value used here after move
+ |
+note: `S::bar` takes ownership of the receiver `self`, which moves `self`
+ --> $DIR/use-after-move-self.rs:13:16
+ |
+LL | pub fn bar(self) {}
+ | ^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0382`.
diff --git a/tests/ui/use/use-associated-const.rs b/tests/ui/use/use-associated-const.rs
new file mode 100644
index 000000000..714fbdabb
--- /dev/null
+++ b/tests/ui/use/use-associated-const.rs
@@ -0,0 +1,13 @@
+#![allow(unused_imports)]
+
+pub mod foo {
+ pub struct Foo;
+
+ impl Foo {
+ pub const BAR: i32 = 0;
+ }
+}
+
+use foo::Foo::BAR; //~ ERROR unresolved import `foo::Foo`
+
+fn main() {}
diff --git a/tests/ui/use/use-associated-const.stderr b/tests/ui/use/use-associated-const.stderr
new file mode 100644
index 000000000..4bc0d7e61
--- /dev/null
+++ b/tests/ui/use/use-associated-const.stderr
@@ -0,0 +1,9 @@
+error[E0432]: unresolved import `foo::Foo`
+ --> $DIR/use-associated-const.rs:11:10
+ |
+LL | use foo::Foo::BAR;
+ | ^^^ `Foo` is a struct, not a module
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0432`.
diff --git a/tests/ui/use/use-crate-self.rs b/tests/ui/use/use-crate-self.rs
new file mode 100644
index 000000000..65ab94814
--- /dev/null
+++ b/tests/ui/use/use-crate-self.rs
@@ -0,0 +1,4 @@
+use crate::{self};
+ //~^ ERROR crate root imports need to be explicitly named: `use crate as name;`
+
+fn main() {}
diff --git a/tests/ui/use/use-crate-self.stderr b/tests/ui/use/use-crate-self.stderr
new file mode 100644
index 000000000..dd4036bff
--- /dev/null
+++ b/tests/ui/use/use-crate-self.stderr
@@ -0,0 +1,8 @@
+error: crate root imports need to be explicitly named: `use crate as name;`
+ --> $DIR/use-crate-self.rs:1:13
+ |
+LL | use crate::{self};
+ | ^^^^
+
+error: aborting due to previous error
+
diff --git a/tests/ui/use/use-from-trait-xc.rs b/tests/ui/use/use-from-trait-xc.rs
new file mode 100644
index 000000000..695ed66a1
--- /dev/null
+++ b/tests/ui/use/use-from-trait-xc.rs
@@ -0,0 +1,26 @@
+// aux-build:use-from-trait-xc.rs
+
+extern crate use_from_trait_xc;
+
+use use_from_trait_xc::Trait::foo;
+//~^ ERROR `foo` is not directly importable
+
+use use_from_trait_xc::Trait::Assoc;
+//~^ ERROR `Assoc` is not directly importable
+
+use use_from_trait_xc::Trait::CONST;
+//~^ ERROR `CONST` is not directly importable
+
+use use_from_trait_xc::Foo::new; //~ ERROR struct `Foo` is private
+//~^ ERROR unresolved import `use_from_trait_xc::Foo`
+
+use use_from_trait_xc::Foo::C; //~ ERROR struct `Foo` is private
+//~^ ERROR unresolved import `use_from_trait_xc::Foo`
+
+use use_from_trait_xc::Bar::new as bnew;
+//~^ ERROR unresolved import `use_from_trait_xc::Bar`
+
+use use_from_trait_xc::Baz::new as baznew;
+//~^ ERROR unresolved import `use_from_trait_xc::Baz::new`
+
+fn main() {}
diff --git a/tests/ui/use/use-from-trait-xc.stderr b/tests/ui/use/use-from-trait-xc.stderr
new file mode 100644
index 000000000..4c4c2f622
--- /dev/null
+++ b/tests/ui/use/use-from-trait-xc.stderr
@@ -0,0 +1,70 @@
+error[E0253]: `foo` is not directly importable
+ --> $DIR/use-from-trait-xc.rs:5:5
+ |
+LL | use use_from_trait_xc::Trait::foo;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be imported directly
+
+error[E0253]: `Assoc` is not directly importable
+ --> $DIR/use-from-trait-xc.rs:8:5
+ |
+LL | use use_from_trait_xc::Trait::Assoc;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be imported directly
+
+error[E0253]: `CONST` is not directly importable
+ --> $DIR/use-from-trait-xc.rs:11:5
+ |
+LL | use use_from_trait_xc::Trait::CONST;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be imported directly
+
+error[E0432]: unresolved import `use_from_trait_xc::Foo`
+ --> $DIR/use-from-trait-xc.rs:14:24
+ |
+LL | use use_from_trait_xc::Foo::new;
+ | ^^^ `Foo` is a struct, not a module
+
+error[E0432]: unresolved import `use_from_trait_xc::Foo`
+ --> $DIR/use-from-trait-xc.rs:17:24
+ |
+LL | use use_from_trait_xc::Foo::C;
+ | ^^^ `Foo` is a struct, not a module
+
+error[E0432]: unresolved import `use_from_trait_xc::Bar`
+ --> $DIR/use-from-trait-xc.rs:20:24
+ |
+LL | use use_from_trait_xc::Bar::new as bnew;
+ | ^^^ `Bar` is a struct, not a module
+
+error[E0432]: unresolved import `use_from_trait_xc::Baz::new`
+ --> $DIR/use-from-trait-xc.rs:23:5
+ |
+LL | use use_from_trait_xc::Baz::new as baznew;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `new` in `sub::Baz`
+
+error[E0603]: struct `Foo` is private
+ --> $DIR/use-from-trait-xc.rs:14:24
+ |
+LL | use use_from_trait_xc::Foo::new;
+ | ^^^ private struct
+ |
+note: the struct `Foo` is defined here
+ --> $DIR/auxiliary/use-from-trait-xc.rs:9:1
+ |
+LL | struct Foo;
+ | ^^^^^^^^^^
+
+error[E0603]: struct `Foo` is private
+ --> $DIR/use-from-trait-xc.rs:17:24
+ |
+LL | use use_from_trait_xc::Foo::C;
+ | ^^^ private struct
+ |
+note: the struct `Foo` is defined here
+ --> $DIR/auxiliary/use-from-trait-xc.rs:9:1
+ |
+LL | struct Foo;
+ | ^^^^^^^^^^
+
+error: aborting due to 9 previous errors
+
+Some errors have detailed explanations: E0253, E0432, E0603.
+For more information about an error, try `rustc --explain E0253`.
diff --git a/tests/ui/use/use-from-trait.rs b/tests/ui/use/use-from-trait.rs
new file mode 100644
index 000000000..eab4bb6e3
--- /dev/null
+++ b/tests/ui/use/use-from-trait.rs
@@ -0,0 +1,22 @@
+use Trait::foo; //~ ERROR `foo` is not directly importable
+use Trait::Assoc; //~ ERROR `Assoc` is not directly importable
+use Trait::C; //~ ERROR `C` is not directly importable
+
+use Foo::new; //~ ERROR unresolved import `Foo` [E0432]
+
+use Foo::C2; //~ ERROR unresolved import `Foo` [E0432]
+
+pub trait Trait {
+ fn foo();
+ type Assoc;
+ const C: u32;
+}
+
+struct Foo;
+
+impl Foo {
+ fn new() {}
+ const C2: u32 = 0;
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-from-trait.stderr b/tests/ui/use/use-from-trait.stderr
new file mode 100644
index 000000000..a5b0e356b
--- /dev/null
+++ b/tests/ui/use/use-from-trait.stderr
@@ -0,0 +1,34 @@
+error[E0253]: `foo` is not directly importable
+ --> $DIR/use-from-trait.rs:1:5
+ |
+LL | use Trait::foo;
+ | ^^^^^^^^^^ cannot be imported directly
+
+error[E0253]: `Assoc` is not directly importable
+ --> $DIR/use-from-trait.rs:2:5
+ |
+LL | use Trait::Assoc;
+ | ^^^^^^^^^^^^ cannot be imported directly
+
+error[E0253]: `C` is not directly importable
+ --> $DIR/use-from-trait.rs:3:5
+ |
+LL | use Trait::C;
+ | ^^^^^^^^ cannot be imported directly
+
+error[E0432]: unresolved import `Foo`
+ --> $DIR/use-from-trait.rs:5:5
+ |
+LL | use Foo::new;
+ | ^^^ `Foo` is a struct, not a module
+
+error[E0432]: unresolved import `Foo`
+ --> $DIR/use-from-trait.rs:7:5
+ |
+LL | use Foo::C2;
+ | ^^^ `Foo` is a struct, not a module
+
+error: aborting due to 5 previous errors
+
+Some errors have detailed explanations: E0253, E0432.
+For more information about an error, try `rustc --explain E0253`.
diff --git a/tests/ui/use/use-keyword.rs b/tests/ui/use/use-keyword.rs
new file mode 100644
index 000000000..c30c2e06c
--- /dev/null
+++ b/tests/ui/use/use-keyword.rs
@@ -0,0 +1,17 @@
+// Check that imports with nakes super and self don't fail during parsing
+// FIXME: this shouldn't fail during name resolution either
+
+mod a {
+ mod b {
+ use self as A;
+ //~^ ERROR `self` imports are only allowed within a { } list
+ use super as B;
+ //~^ ERROR unresolved import `super` [E0432]
+ //~| no `super` in the root
+ use super::{self as C};
+ //~^ ERROR unresolved import `super` [E0432]
+ //~| no `super` in the root
+ }
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-keyword.stderr b/tests/ui/use/use-keyword.stderr
new file mode 100644
index 000000000..501d14be5
--- /dev/null
+++ b/tests/ui/use/use-keyword.stderr
@@ -0,0 +1,22 @@
+error[E0429]: `self` imports are only allowed within a { } list
+ --> $DIR/use-keyword.rs:6:13
+ |
+LL | use self as A;
+ | ^^^^
+
+error[E0432]: unresolved import `super`
+ --> $DIR/use-keyword.rs:8:13
+ |
+LL | use super as B;
+ | ^^^^^^^^^^ no `super` in the root
+
+error[E0432]: unresolved import `super`
+ --> $DIR/use-keyword.rs:11:21
+ |
+LL | use super::{self as C};
+ | ^^^^^^^^^ no `super` in the root
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0429, E0432.
+For more information about an error, try `rustc --explain E0429`.
diff --git a/tests/ui/use/use-meta-mismatch.rs b/tests/ui/use/use-meta-mismatch.rs
new file mode 100644
index 000000000..975209efb
--- /dev/null
+++ b/tests/ui/use/use-meta-mismatch.rs
@@ -0,0 +1,5 @@
+// error-pattern:can't find crate for `fake_crate`
+
+extern crate fake_crate as extra;
+
+fn main() { }
diff --git a/tests/ui/use/use-meta-mismatch.stderr b/tests/ui/use/use-meta-mismatch.stderr
new file mode 100644
index 000000000..62b71fe8e
--- /dev/null
+++ b/tests/ui/use/use-meta-mismatch.stderr
@@ -0,0 +1,9 @@
+error[E0463]: can't find crate for `fake_crate`
+ --> $DIR/use-meta-mismatch.rs:3:1
+ |
+LL | extern crate fake_crate as extra;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0463`.
diff --git a/tests/ui/use/use-mod.rs b/tests/ui/use/use-mod.rs
new file mode 100644
index 000000000..87064c6a4
--- /dev/null
+++ b/tests/ui/use/use-mod.rs
@@ -0,0 +1,19 @@
+use foo::bar::{
+ self,
+//~^ ERROR `self` import can only appear once in an import list
+ Bar,
+ self
+//~^ ERROR the name `bar` is defined multiple times
+};
+
+use {self};
+//~^ ERROR `self` import can only appear in an import list with a non-empty prefix
+
+mod foo {
+ pub mod bar {
+ pub struct Bar;
+ pub struct Baz;
+ }
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-mod.stderr b/tests/ui/use/use-mod.stderr
new file mode 100644
index 000000000..0cae5eb14
--- /dev/null
+++ b/tests/ui/use/use-mod.stderr
@@ -0,0 +1,33 @@
+error[E0430]: `self` import can only appear once in an import list
+ --> $DIR/use-mod.rs:2:5
+ |
+LL | self,
+ | ^^^^ can only appear once in an import list
+...
+LL | self
+ | ---- another `self` import appears here
+
+error[E0431]: `self` import can only appear in an import list with a non-empty prefix
+ --> $DIR/use-mod.rs:9:6
+ |
+LL | use {self};
+ | ^^^^ can only appear in an import list with a non-empty prefix
+
+error[E0252]: the name `bar` is defined multiple times
+ --> $DIR/use-mod.rs:5:5
+ |
+LL | self,
+ | ---- previous import of the module `bar` here
+...
+LL | self
+ | ^^^^
+ | |
+ | `bar` reimported here
+ | help: remove unnecessary import
+ |
+ = note: `bar` must be defined only once in the type namespace of this module
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0252, E0430, E0431.
+For more information about an error, try `rustc --explain E0252`.
diff --git a/tests/ui/use/use-mod/use-mod-2.rs b/tests/ui/use/use-mod/use-mod-2.rs
new file mode 100644
index 000000000..9373a62ba
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-2.rs
@@ -0,0 +1,11 @@
+mod foo {
+ use self::{self};
+ //~^ ERROR unresolved import `self` [E0432]
+ //~| no `self` in the root
+
+ use super::{self};
+ //~^ ERROR unresolved import `super` [E0432]
+ //~| no `super` in the root
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-mod/use-mod-2.stderr b/tests/ui/use/use-mod/use-mod-2.stderr
new file mode 100644
index 000000000..843767849
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-2.stderr
@@ -0,0 +1,15 @@
+error[E0432]: unresolved import `self`
+ --> $DIR/use-mod-2.rs:2:16
+ |
+LL | use self::{self};
+ | ^^^^ no `self` in the root
+
+error[E0432]: unresolved import `super`
+ --> $DIR/use-mod-2.rs:6:17
+ |
+LL | use super::{self};
+ | ^^^^ no `super` in the root
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0432`.
diff --git a/tests/ui/use/use-mod/use-mod-3.rs b/tests/ui/use/use-mod/use-mod-3.rs
new file mode 100644
index 000000000..0afa486b9
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-3.rs
@@ -0,0 +1,12 @@
+use foo::bar::{ //~ ERROR module `bar` is private
+ self
+};
+use foo::bar::{ //~ ERROR module `bar` is private
+ Bar
+};
+
+mod foo {
+ mod bar { pub type Bar = isize; }
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-mod/use-mod-3.stderr b/tests/ui/use/use-mod/use-mod-3.stderr
new file mode 100644
index 000000000..1b12b3c6f
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-3.stderr
@@ -0,0 +1,27 @@
+error[E0603]: module `bar` is private
+ --> $DIR/use-mod-3.rs:1:10
+ |
+LL | use foo::bar::{
+ | ^^^ private module
+ |
+note: the module `bar` is defined here
+ --> $DIR/use-mod-3.rs:9:5
+ |
+LL | mod bar { pub type Bar = isize; }
+ | ^^^^^^^
+
+error[E0603]: module `bar` is private
+ --> $DIR/use-mod-3.rs:4:10
+ |
+LL | use foo::bar::{
+ | ^^^ private module
+ |
+note: the module `bar` is defined here
+ --> $DIR/use-mod-3.rs:9:5
+ |
+LL | mod bar { pub type Bar = isize; }
+ | ^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0603`.
diff --git a/tests/ui/use/use-mod/use-mod-4.rs b/tests/ui/use/use-mod/use-mod-4.rs
new file mode 100644
index 000000000..46ae8ddad
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-4.rs
@@ -0,0 +1,7 @@
+use foo::self; //~ ERROR unresolved import `foo`
+//~^ ERROR `self` imports are only allowed within a { } list
+
+use std::mem::self;
+//~^ ERROR `self` imports are only allowed within a { } list
+
+fn main() {}
diff --git a/tests/ui/use/use-mod/use-mod-4.stderr b/tests/ui/use/use-mod/use-mod-4.stderr
new file mode 100644
index 000000000..0b4fbadb4
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-4.stderr
@@ -0,0 +1,42 @@
+error[E0429]: `self` imports are only allowed within a { } list
+ --> $DIR/use-mod-4.rs:1:8
+ |
+LL | use foo::self;
+ | ^^^^^^
+ |
+help: consider importing the module directly
+ |
+LL - use foo::self;
+LL + use foo;
+ |
+help: alternatively, use the multi-path `use` syntax to import `self`
+ |
+LL | use foo::{self};
+ | + +
+
+error[E0429]: `self` imports are only allowed within a { } list
+ --> $DIR/use-mod-4.rs:4:13
+ |
+LL | use std::mem::self;
+ | ^^^^^^
+ |
+help: consider importing the module directly
+ |
+LL - use std::mem::self;
+LL + use std::mem;
+ |
+help: alternatively, use the multi-path `use` syntax to import `self`
+ |
+LL | use std::mem::{self};
+ | + +
+
+error[E0432]: unresolved import `foo`
+ --> $DIR/use-mod-4.rs:1:5
+ |
+LL | use foo::self;
+ | ^^^^^^^^^ no `foo` in the root
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0429, E0432.
+For more information about an error, try `rustc --explain E0429`.
diff --git a/tests/ui/use/use-mod/use-mod-5.rs b/tests/ui/use/use-mod/use-mod-5.rs
new file mode 100644
index 000000000..df5b423ec
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-5.rs
@@ -0,0 +1,13 @@
+mod foo {
+ pub mod bar {
+ pub fn drop() {}
+ }
+}
+
+use foo::bar::self;
+//~^ ERROR `self` imports are only allowed within a { } list
+
+fn main() {
+ // Because of error recovery this shouldn't error
+ bar::drop();
+}
diff --git a/tests/ui/use/use-mod/use-mod-5.stderr b/tests/ui/use/use-mod/use-mod-5.stderr
new file mode 100644
index 000000000..62859e261
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-5.stderr
@@ -0,0 +1,19 @@
+error[E0429]: `self` imports are only allowed within a { } list
+ --> $DIR/use-mod-5.rs:7:13
+ |
+LL | use foo::bar::self;
+ | ^^^^^^
+ |
+help: consider importing the module directly
+ |
+LL - use foo::bar::self;
+LL + use foo::bar;
+ |
+help: alternatively, use the multi-path `use` syntax to import `self`
+ |
+LL | use foo::bar::{self};
+ | + +
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0429`.
diff --git a/tests/ui/use/use-mod/use-mod-6.rs b/tests/ui/use/use-mod/use-mod-6.rs
new file mode 100644
index 000000000..1f8777dac
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-6.rs
@@ -0,0 +1,13 @@
+mod foo {
+ pub mod bar {
+ pub fn drop() {}
+ }
+}
+
+use foo::bar::self as abc;
+//~^ ERROR `self` imports are only allowed within a { } list
+
+fn main() {
+ // Because of error recovery this shouldn't error
+ abc::drop();
+}
diff --git a/tests/ui/use/use-mod/use-mod-6.stderr b/tests/ui/use/use-mod/use-mod-6.stderr
new file mode 100644
index 000000000..2d2c90067
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-6.stderr
@@ -0,0 +1,19 @@
+error[E0429]: `self` imports are only allowed within a { } list
+ --> $DIR/use-mod-6.rs:7:13
+ |
+LL | use foo::bar::self as abc;
+ | ^^^^^^
+ |
+help: consider importing the module directly
+ |
+LL - use foo::bar::self as abc;
+LL + use foo::bar as abc;
+ |
+help: alternatively, use the multi-path `use` syntax to import `self`
+ |
+LL | use foo::bar::{self as abc};
+ | + +
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0429`.
diff --git a/tests/ui/use/use-nested-groups-error.rs b/tests/ui/use/use-nested-groups-error.rs
new file mode 100644
index 000000000..d8b189d19
--- /dev/null
+++ b/tests/ui/use/use-nested-groups-error.rs
@@ -0,0 +1,15 @@
+mod a {
+ pub mod b1 {
+ pub enum C2 {}
+ }
+
+ pub enum B2 {}
+}
+
+use a::{b1::{C1, C2}, B2};
+//~^ ERROR unresolved import `a::b1::C1`
+
+fn main() {
+ let _: C2;
+ let _: B2;
+}
diff --git a/tests/ui/use/use-nested-groups-error.stderr b/tests/ui/use/use-nested-groups-error.stderr
new file mode 100644
index 000000000..7234c8ec6
--- /dev/null
+++ b/tests/ui/use/use-nested-groups-error.stderr
@@ -0,0 +1,12 @@
+error[E0432]: unresolved import `a::b1::C1`
+ --> $DIR/use-nested-groups-error.rs:9:14
+ |
+LL | use a::{b1::{C1, C2}, B2};
+ | ^^
+ | |
+ | no `C1` in `a::b1`
+ | help: a similar name exists in the module: `C2`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0432`.
diff --git a/tests/ui/use/use-nested-groups-unused-imports.rs b/tests/ui/use/use-nested-groups-unused-imports.rs
new file mode 100644
index 000000000..ca6b8ba94
--- /dev/null
+++ b/tests/ui/use/use-nested-groups-unused-imports.rs
@@ -0,0 +1,24 @@
+#![allow(dead_code)]
+#![deny(unused_imports)]
+
+mod foo {
+ pub mod bar {
+ pub mod baz {
+ pub struct Bar();
+ }
+ pub mod foobar {}
+ }
+
+ pub struct Foo();
+}
+
+use foo::{Foo, bar::{baz::{}, foobar::*}, *};
+ //~^ ERROR unused imports: `*`, `Foo`, `baz::{}`, `foobar::*`
+use foo::bar::baz::{*, *};
+ //~^ ERROR unused import: `*`
+use foo::{};
+ //~^ ERROR unused import: `foo::{}`
+
+fn main() {
+ let _: Bar;
+}
diff --git a/tests/ui/use/use-nested-groups-unused-imports.stderr b/tests/ui/use/use-nested-groups-unused-imports.stderr
new file mode 100644
index 000000000..6610f8ecd
--- /dev/null
+++ b/tests/ui/use/use-nested-groups-unused-imports.stderr
@@ -0,0 +1,26 @@
+error: unused imports: `*`, `Foo`, `baz::{}`, `foobar::*`
+ --> $DIR/use-nested-groups-unused-imports.rs:15:11
+ |
+LL | use foo::{Foo, bar::{baz::{}, foobar::*}, *};
+ | ^^^ ^^^^^^^ ^^^^^^^^^ ^
+ |
+note: the lint level is defined here
+ --> $DIR/use-nested-groups-unused-imports.rs:2:9
+ |
+LL | #![deny(unused_imports)]
+ | ^^^^^^^^^^^^^^
+
+error: unused import: `*`
+ --> $DIR/use-nested-groups-unused-imports.rs:17:24
+ |
+LL | use foo::bar::baz::{*, *};
+ | ^
+
+error: unused import: `foo::{}`
+ --> $DIR/use-nested-groups-unused-imports.rs:19:5
+ |
+LL | use foo::{};
+ | ^^^^^^^
+
+error: aborting due to 3 previous errors
+
diff --git a/tests/ui/use/use-paths-as-items.rs b/tests/ui/use/use-paths-as-items.rs
new file mode 100644
index 000000000..7b5eb56b1
--- /dev/null
+++ b/tests/ui/use/use-paths-as-items.rs
@@ -0,0 +1,9 @@
+// Each path node in a `use` declaration must be treated as an item. If not, the following code
+// will trigger an ICE.
+//
+// Related issue: #25763
+
+use std::{mem, ptr};
+use std::mem; //~ ERROR the name `mem` is defined multiple times
+
+fn main() {}
diff --git a/tests/ui/use/use-paths-as-items.stderr b/tests/ui/use/use-paths-as-items.stderr
new file mode 100644
index 000000000..b09001a9b
--- /dev/null
+++ b/tests/ui/use/use-paths-as-items.stderr
@@ -0,0 +1,13 @@
+error[E0252]: the name `mem` is defined multiple times
+ --> $DIR/use-paths-as-items.rs:7:5
+ |
+LL | use std::{mem, ptr};
+ | --- previous import of the module `mem` here
+LL | use std::mem;
+ | ^^^^^^^^ `mem` reimported here
+ |
+ = note: `mem` must be defined only once in the type namespace of this module
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0252`.
diff --git a/tests/ui/use/use-self-type.rs b/tests/ui/use/use-self-type.rs
new file mode 100644
index 000000000..3b4ce4297
--- /dev/null
+++ b/tests/ui/use/use-self-type.rs
@@ -0,0 +1,11 @@
+struct S;
+
+impl S {
+ fn f() {}
+ fn g() {
+ use Self::f; //~ ERROR unresolved import
+ pub(in Self::f) struct Z; //~ ERROR failed to resolve: `Self`
+ }
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-self-type.stderr b/tests/ui/use/use-self-type.stderr
new file mode 100644
index 000000000..e61539411
--- /dev/null
+++ b/tests/ui/use/use-self-type.stderr
@@ -0,0 +1,16 @@
+error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
+ --> $DIR/use-self-type.rs:7:16
+ |
+LL | pub(in Self::f) struct Z;
+ | ^^^^ `Self` is only available in impls, traits, and type definitions
+
+error[E0432]: unresolved import `Self`
+ --> $DIR/use-self-type.rs:6:13
+ |
+LL | use Self::f;
+ | ^^^^ `Self` is only available in impls, traits, and type definitions
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0432, E0433.
+For more information about an error, try `rustc --explain E0432`.
diff --git a/tests/ui/use/use-super-global-path.rs b/tests/ui/use/use-super-global-path.rs
new file mode 100644
index 000000000..64bfd14b7
--- /dev/null
+++ b/tests/ui/use/use-super-global-path.rs
@@ -0,0 +1,16 @@
+#![allow(unused)]
+
+struct S;
+struct Z;
+
+mod foo {
+ use ::super::{S, Z}; //~ ERROR global paths cannot start with `super`
+ //~| ERROR global paths cannot start with `super`
+
+ pub fn g() {
+ use ::super::main; //~ ERROR global paths cannot start with `super`
+ main();
+ }
+}
+
+fn main() { foo::g(); }
diff --git a/tests/ui/use/use-super-global-path.stderr b/tests/ui/use/use-super-global-path.stderr
new file mode 100644
index 000000000..7014a12e9
--- /dev/null
+++ b/tests/ui/use/use-super-global-path.stderr
@@ -0,0 +1,21 @@
+error[E0433]: failed to resolve: global paths cannot start with `super`
+ --> $DIR/use-super-global-path.rs:7:11
+ |
+LL | use ::super::{S, Z};
+ | ^^^^^ global paths cannot start with `super`
+
+error[E0433]: failed to resolve: global paths cannot start with `super`
+ --> $DIR/use-super-global-path.rs:7:11
+ |
+LL | use ::super::{S, Z};
+ | ^^^^^ global paths cannot start with `super`
+
+error[E0433]: failed to resolve: global paths cannot start with `super`
+ --> $DIR/use-super-global-path.rs:11:15
+ |
+LL | use ::super::main;
+ | ^^^^^ global paths cannot start with `super`
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0433`.